Subject: Re: [linux-audio-dev] disk i/o latency
From: Paul Barton-Davis (pbd_AT_Op.Net)
Date: Sat Sep 30 2000 - 01:01:28 EEST
>There's been an [entirely non thought-out] idea buzzing around in my head
>as to whether some sort of API/ioctl should be added, possilibly to the
>kernel, whereby it can be informed of the rate at which the Application
>is going to "eat" the data, and thereby doing some sort of inteligent
>cacheing to make sure that the data is going to already be in RAM by the
>next time we do a "read()" on that particular stream/file.
there are years of CS work on this stuff. search for "bandwidth
reservation" in the literature. its mostly associated with
video-on-demand. there are many schemes, mostly implemented by grad
students in various contexts. i imagine a few of them are deployed in
real life systems by now.
--p
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